Fix microsoft#148493 (microsoft#151126)

* Fix microsoft#148493

* update comment

Author: sandy081

src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts

@@ -502,6 +502,10 @@ export class KeybindingsEditor extends EditorPane implements IKeybindingsEditorP
 			this.keybindingFocusContextKey.reset();
 		}));
 		this._register(this.keybindingsTable.onDidOpen((e) => {
+			// stop double click action on the input #148493
+			if (e.browserEvent?.defaultPrevented) {
+				return;
+			}
 			const activeKeybindingEntry = this.activeKeybindingEntry;
 			if (activeKeybindingEntry) {
 				this.defineKeybinding(activeKeybindingEntry, false);
@@ -1073,6 +1077,9 @@ class WhenColumnRenderer implements ITableRenderer<IKeybindingItemEntry, IWhenCo
 			_onDidReject.fire();
 		})));
 
+		// stop double click action on the input #148493
+		disposables.add((DOM.addDisposableListener(whenInput.inputElement, DOM.EventType.DBLCLICK, e => DOM.EventHelper.stop(e))));
+
 		const renderDisposables = disposables.add(new DisposableStore());
 
 		return {